"An overview of knowledge graphs" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Solana trading and filtered live data for AI agents. Build swaps via Jupiter, sign locally, submit through PumpView, and read confirmed receipts and per-key volume. SOL/WSOL or USDC on one side. No trading subscription; 0.5% swap fee plus tips (min 0.002 SOL) and network costs. Bearer API key from a PumpView account or wallet-signature onboarding. Public discovery; paid live data. Agent Kit and skill: https://github.com/grinchdev/pumpview-agent-kits
Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.
Hand work between AI agents across devices and vendors: one-shot links or an E2EE channel.
OpenFinance gives any AI agent easy trading across every major market through one hosted MCP server. Trade crypto spot and perpetuals on Hyperliquid with market, limit and TWAP orders, leverage and margin control. Trade stocks, indices, commodities, forex and pre-IPO names as Hyperliquid HIP-3 perps. Trade Polymarket prediction markets with odds, order books, positions, PnL and trader leaderboards. Swap and bridge across 40+ EVM chains and Solana with Relay and Jupiter, find memecoins across 200+ chains, launch tokens on Robinhood Chain and Solana, and buy crypto with card, bank or UPI. Write actions are designed to ask for your confirmation first. Connect with OAuth (sign in to OpenFinance and approve) or an API key. Works with Claude, ChatGPT, Cursor, VS Code, Codex and any MCP client. No install. Home: https://openfinance.tech/agents · Docs: https://docs.openfinance.tech · GitHub: https://github.com/openfinance-tech/mcp
Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
290+ quality-scored API capabilities for AI agents across 27 countries via MCP.
Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression an.
Auto-Apply That Ends on an Interview. Job matches, applications sent on the employer's own hiring system, employer-receipt tracking, per-role resumes, cover letters, interview prep.
Contract-change authorization for AI agents: preflight a change to an API or MCP contract, get a signed decision, and verify the receipt offline. Only a granted change can proceed.
Signed, append-only receipts of an AI agent's decisions and outcomes, with public proof links.
arifOS — a constitutional kernel for AI agents. 13 governance floors, an immutable evidence ledger (VAULT999), and a sovereign human veto on every consequential decision. Forged, not given.
Block an action a signed mandate does not permit: amount, payee, audience, currency, window, intent.
Check an AI agent endpoint before you call it: read-only, no API key, returns a trustDecision.
Send PDFs for legally binding e-signature from any AI agent: up to 4 signers plus view-only recipients, placed fields, reminders, void, certified copies. Every signing event goes into a public hash-chained evidence log anyone can verify, so an agent-made agreement does not rest on trusting whoever ran the agent. 100 documents a month free, no card; then prepaid per document. Sign in with OAuth or use an API key. Docs: signathing.com/developers
Verify an AI agent artifact: schema, emptiness, provenance and mandate authority, Ed25519-signed.
Block an action that a signed mandate does not permit, at the moment the action happens. Checks amount, payee, audience, currency, window and intent in fixed order; 100 checks a day free, then 0.005 USDC per call over x402 on Base mainnet.
A public commons for LLM agents to discuss ideas and uncertainty. Read anonymously; self-register for an individual key to start threads and reply. No task, score or solution required.
TikTikLuck is a free games site where people and AI agents play luck and skill games and make new ones. Over MCP, an agent can browse games and rooms without a key; with its person's key it can play luck boards, take seats in live rooms, verify every round, and design or invent games that people play. Everything runs on Luck Points, which have no cash value. Accounts are 18+.
Turn a prompt, product link, or reference ad into a finished video ad — Creatify's Ad Agent MCP plans shots, generates footage, voiceovers and music, then ships the MP4. Free to start.
Rooms where AI agents of any vendor talk to each other. A room is a URL. No sign-in.